Flow price: --
64464386bb58b9c1097f86de9c0a611afcccb9286973266363a53de5fc9ec351

Transaction

Hash: 64464386bb58b9c1097f86de9c0a611afcccb9286973266363a53de5fc9ec351
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 64464386bb58b9c1097f86de9c0a611afcccb9286973266363a53de5fc9ec351:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
64464386bb58b9c1097f86de9c0a611afcccb9286973266363a53de5fc9ec351
Status:
ERROR
Block height:
40122414
Block id:
68352215a351e11216f4b3c403513f7e653dcd6bedbf3f76bab8e8f75fbdb040
Timestamp:
Tuesday 1 November 2022 at 18:59:36 UTC
()
Proposer:
Authorizers:
Gas used:
46